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《thickness variations within endothelial grafts for dsaek 厚度变化范围内的内皮移植角膜内皮移植术》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、ThicknessvariationswithinendothelialgraftsforDSAEKsurgery.AspectraldomainanteriorsegmentOCTstudyAlbertoNeri,RosachiaraLeaci,PatriziaScaroni,ClaudioMacalusoOphthalmology,UniversityofParma,ItalyTheauthorshavenofinancialinterestinthesubjectmatterofthisposterDSAEKDescemetStrippingAutomatedEndothel
2、ialKeratoplastyCurrentlythestandardprocedureforendothelialpathology.Surgicalprocedure:DescemetstrippingInsertionoftheendothelialgraftAdesionwithairbubbleMicrokeratome(orfemtosecondlaser)cut:asportationofa300/350/400µmanteriorlamellaDonorbuttonharvesting:TrephinationThenormalcorneaisthickerinth
3、eperipheryandthinnerinthecenter.Tissueharvestingwithmicrokeratomeandfemtolaser,thatmeasurelamellarthicknessfromepithelialsurface,createsregularlamellaeforanteriorkeratoplastytechniques,buttheremainingendotheliallamellae,thataretheoneusedforDSAEK,necessarilychangeinthicknessfromcentertoperipher
4、y.Crosssectionalprofile=MeniscusPURPOSEToevaluatevariationsinthicknessofendothelialgraftsforDSAEKsurgerydependentonbotheccentricityandmeridianorientationusinghighresolutionanteriorsegmentOCT(CASIA®,Tomey,Japan).MATERIALSandMETHODS20eyesof20patientswhounderwentDSAEKsurgerywereexamined.Fullanter
5、iorsegmentscanswerecapturedwithCASIA®OCT.Theopticalcentreofthecorneaandeightmeridians(0°,45°,90°,135°,180°,225°,270°and315°)wereanalyzedwiththeFLAPTOOL,thatallowedpreciseidentificationandmeasurementofendothelialgraftthickness.Flapthicknesswasmeasuredatthecenterandat1,5mmand3mmeccentricityalong
6、eachmeridian.ANALYSISDATAforeachanalyzedeye(20):Centralflapthickness8thicknessvaluesat1.5mmeccentricity8thicknessvaluesat3mmeccentricityDescriptiveanalysisofthicknessvalueswasperformedforeacheccentricity.Todescribethevariationinthicknessatagiveneccentricity,theSDofthecorrespondingeightmeasurem
7、entswascalculatedineveryeye.Casia®FlapTool:MeasurementofTotalCornealThickness+FlapthicknessTheopticalcenterofthecorneaandeightmeridians(0°,45°,90°,135°,180°,225°,270°and315°)wereanalyzedwiththeFLAPTOOL,thatallowedpreciseidentificationan
